
function round(number,dec) {
		// rounds number to X decimal places, defaults to 2
		dec = (!dec ? 2 : dec);
		return Math.round(number*Math.pow(10,dec))/Math.pow(10,dec);
}

function trim(str) {
	return str.replace(/^\s+/,'').replace(/\s+$/,'');
}

function setContent(id,content) {
	if (document.all) document.all[id].innerHTML=content ;
	else if (document.getElementById) {
		if (el = document.getElementById(id)) {
			rng = document.createRange();
			rng.setStartBefore(el);
			htmlFrag = rng.createContextualFragment(content);
			while (el.hasChildNodes())
				el.removeChild(el.lastChild);
			el.appendChild(htmlFrag);
		}
	}
}

function getElement(elname) {
	if (document.all) {
		return document.all[elname];
	}
	if (document.getElementById) {
		return document.getElementById(elname) ;
	}

	return null ; 
}

function hideElement(name) {
	if ((el = getElement(name))!=null) {
		if (el.style) {
			//el.style.visibility = 'hidden';
			el.style.display = 'none';
		} else {
			if (el.display)
			  el.display='none';
			// if (el.visibility) el.visibility = 'hidden';
		}
	}
}

function showElement(name) {
	if ((el = getElement(name))!=null) {
		if (el.style) {
			el.style.display = '';
			//el.style.visibility = 'visible';
		} else {
			if (el.display) el.display='';
			// if (el.visibility)  el.visibility = 'visible';
		}
	}
}

function setRowClass(idRow,style) {
 	if ((theRow = getElement(idRow)) != null) {
		if (typeof(theRow.cells) != 'undefined') {
			theCells = theRow.cells;
			for(c=0;c<theCells.length;c++) {
				theCells[c].className=style;	
			}
		}

	}
}

var marked_row = new Array() ;

function setPointer(theRow, theRowNum, theAction, theDefaultColor, thePointerColor, theMarkColor)
{
    var theCells = null;

    // 1. Pointer and mark feature are disabled or the browser can't get the
    //    row -> exits
    if ((thePointerColor == '' && theMarkColor == '')
        || typeof(theRow.style) == 'undefined') {
        return false;
    }

    // 2. Gets the current row and exits if the browser can't get it
    if (typeof(document.getElementsByTagName) != 'undefined') {
        theCells = theRow.getElementsByTagName('td');
    }
    else if (typeof(theRow.cells) != 'undefined') {
        theCells = theRow.cells;
    }
    else {
        return false;
    }

    // 3. Gets the current color...
    var rowCellsCnt  = theCells.length;
    var domDetect    = null;
    var currentColor = "#ffffff";
    var newColor     = null;
    // 3.1 ... with DOM compatible browsers except Opera that does not return
    //         valid values with "getAttribute"
    if (typeof(window.opera) == 'undefined'
        && typeof(theCells[0].getAttribute) != 'undefined') {
        currentColor = theCells[0].getAttribute('bgcolor');
        domDetect    = true;
    }
    // 3.2 ... with other browsers
    else {
        currentColor = theCells[0].style.backgroundColor;
        domDetect    = false;
    } // end 3

    if (currentColor==null)
    	currentColor = "#FFFFFF";
 
    // 3.3 ... Opera changes colors set via HTML to rgb(r,g,b) format so fix it
    if (currentColor.indexOf("rgb") >= 0) 
    {
        var rgbStr = currentColor.slice(currentColor.indexOf('(') + 1,
                                     currentColor.indexOf(')'));
        var rgbValues = rgbStr.split(",");
        currentColor = "#";
        var hexChars = "0123456789ABCDEF";
        for (var i = 0; i < 3; i++)
        {
            var v = rgbValues[i].valueOf();
            currentColor += hexChars.charAt(v/16) + hexChars.charAt(v%16);
        }
    }

    // 4. Defines the new color
    // 4.1 Current color is the default one
    if (currentColor == ''
        || currentColor.toLowerCase() == theDefaultColor.toLowerCase()) {
        if (theAction == 'over' && thePointerColor != '') {
            newColor              = thePointerColor;
        }
        else if (theAction == 'click' && theMarkColor != '') {
            newColor              = theMarkColor;
            marked_row[theRowNum] = true;
        }
    }
    // 4.1.2 Current color is the pointer one
    else if (currentColor.toLowerCase() == thePointerColor.toLowerCase()
             && (typeof(marked_row[theRowNum]) == 'undefined' || !marked_row[theRowNum])) {
        if (theAction == 'out') {
            newColor              = theDefaultColor;
        }
        else if (theAction == 'click' && theMarkColor != '') {
            newColor              = theMarkColor;
            marked_row[theRowNum] = true;
        }
    }
    // 4.1.3 Current color is the marker one
    else if (currentColor.toLowerCase() == theMarkColor.toLowerCase()) {
        if (theAction == 'click') {
            newColor              = (thePointerColor != '')
                                  ? thePointerColor
                                  : theDefaultColor;
            marked_row[theRowNum] = (typeof(marked_row[theRowNum]) == 'undefined' || !marked_row[theRowNum])
                                  ? true
                                  : null;
        }
    } // end 4

    // 5. Sets the new color...
    if (newColor) {
        var c = null;
        // 5.1 ... with DOM compatible browsers except Opera
        if (domDetect) {
            for (c = 0; c < rowCellsCnt; c++) {
                theCells[c].setAttribute('bgcolor', newColor, 0);
            } // end for
        }
        // 5.2 ... with other browsers
        else {
            for (c = 0; c < rowCellsCnt; c++) {
                theCells[c].style.backgroundColor = newColor;
            }
        }
    } // end 5

    return true;
} // end of the 'setPointer()' function

function confirmRedirect(msg,page) {
	if (window.confirm(msg))
		document.location=page ;
}

function toString(vl) {
	return vl + '';
}

function jsGo(loc) {
	document.location=loc ;
}
